Example usage for org.bouncycastle.jcajce.provider.config ConfigurableProvider DH_DEFAULT_PARAMS

Introduction

In this page you can find the example usage for org.bouncycastle.jcajce.provider.config ConfigurableProvider DH_DEFAULT_PARAMS.

Prototype

String DH_DEFAULT_PARAMS

To view the source code for org.bouncycastle.jcajce.provider.config ConfigurableProvider DH_DEFAULT_PARAMS.

Click Source Link

Document

Diffie-Hellman Default Parameters - VM wide version

Usage

From source file:cybervillains.ca.KeyStoreManager.java

License:Open Source License

@SuppressWarnings("unchecked")
public KeyStoreManager(File root, String certificateRevocationList) {
    this.root = root;
    this.certificateRevocationList = certificateRevocationList;

    ConfigurableProvider bcProv = new BouncyCastleProvider();
    DHParameterSpec dhSpec = new DHParameterSpec(
            new BigInteger("f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f95"
                    + "74c0b3d0782675159578ebad4594fe67107108180b449167123e84c28161"
                    + "3b7cf09328cc8a6e13c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bf"
                    + "a213562f1fb627a01243bcca4f1bea8519089a883dfe15ae59f06928b665"
                    + "e807b552564014c3bfecf492a", 16),
            new BigInteger("fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31"
                    + "e3f80b6512669455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813"
                    + "b801d346ff26660b76b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf"
                    + "83b57e7c6a8a6150f04fb83f6d3c51ec3023554135a169132f675f3ae2b6"
                    + "1d72aeff22203199dd14801c7", 16),
            512);//from   w w  w.j  a va  2s  .c o m

    bcProv.setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, dhSpec);

    Security.insertProviderAt((Provider) bcProv, 2);

    SecureRandom _sr = new SecureRandom();

    try {
        _rsaKpg = KeyPairGenerator.getInstance(RSA_KEYGEN_ALGO);
        _dsaKpg = KeyPairGenerator.getInstance(DSA_KEYGEN_ALGO);
    } catch (Throwable t) {
        throw new Error(t);
    }

    try {

        File privKeys = new File(root, KEYMAP_SER_FILE);

        if (!privKeys.exists()) {
            _rememberedPrivateKeys = new HashMap<PublicKey, PrivateKey>();
        } else {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(privKeys));
            // Deserialize the object
            _rememberedPrivateKeys = (HashMap<PublicKey, PrivateKey>) in.readObject();
            in.close();
        }

        File pubKeys = new File(root, PUB_KEYMAP_SER_FILE);

        if (!pubKeys.exists()) {
            _mappedPublicKeys = new HashMap<PublicKey, PublicKey>();
        } else {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(pubKeys));
            // Deserialize the object
            _mappedPublicKeys = (HashMap<PublicKey, PublicKey>) in.readObject();
            in.close();
        }

    } catch (FileNotFoundException e) {
        // check for file exists, won't happen.
        e.printStackTrace();
    } catch (IOException e) {
        // we could correct, but this probably indicates a corruption
        // of the serialized file that we want to know about; likely
        // synchronization problems during serialization.
        e.printStackTrace();
        throw new Error(e);
    } catch (ClassNotFoundException e) {
        // serious problem.
        e.printStackTrace();
        throw new Error(e);
    }

    BigInteger p = new BigInteger("fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669"
            + "455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b7"
            + "6b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb"
            + "83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7", 16);
    BigInteger q = new BigInteger("9760508f15230bccb292b982a2eb840bf0581cf5", 16);
    BigInteger g = new BigInteger("f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d078267"
            + "5159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e1"
            + "3c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243b"
            + "cca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a", 16);

    DSAParameterSpec dsaParameterSpec = new DSAParameterSpec(p, q, g);

    _rsaKpg.initialize(1024, _sr);
    try {
        _dsaKpg.initialize(dsaParameterSpec, _sr);
    } catch (InvalidAlgorithmParameterException e) {
        e.printStackTrace();
        _dsaKpg.initialize(1024, _sr);
    }

    try {
        _ks = KeyStore.getInstance("JKS");

        reloadKeystore();
    } catch (FileNotFoundException fnfe) {
        try {
            createKeystore();
        } catch (Exception e) {
            throw new Error(e);
        }
    } catch (Exception e) {
        throw new Error(e);
    }

    try {

        File file = new File(root, CERTMAP_SER_FILE);

        if (!file.exists()) {
            _certMap = new HashMap<String, String>();
        } else {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
            // Deserialize the object
            _certMap = (HashMap<String, String>) in.readObject();
            in.close();
        }

    } catch (FileNotFoundException e) {
        // won't happen, check file.exists()
        e.printStackTrace();
    } catch (IOException e) {
        // corrupted file, we want to know.
        e.printStackTrace();
        throw new Error(e);
    } catch (ClassNotFoundException e) {
        // something very wrong, exit
        e.printStackTrace();
        throw new Error(e);
    }

    try {

        File file = new File(root, SUBJMAP_SER_FILE);

        if (!file.exists()) {
            _subjectMap = new HashMap<String, String>();
        } else {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
            // Deserialize the object
            _subjectMap = (HashMap<String, String>) in.readObject();
            in.close();
        }

    } catch (FileNotFoundException e) {
        // won't happen, check file.exists()
        e.printStackTrace();
    } catch (IOException e) {
        // corrupted file, we want to know.
        e.printStackTrace();
        throw new Error(e);
    } catch (ClassNotFoundException e) {
        // something very wrong, exit
        e.printStackTrace();
        throw new Error(e);
    }

}

---